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Title: Resistivity Minimum in Highly Frustrated Itinerant Magnets

Abstract

We study here the transport properties of frustrated itinerant magnets comprising localized classical moments, which interact via exchange with the conduction electrons. Strong frustration stabilizes a liquidlike spin state, which extends down to temperatures well below the effective Ruderman-Kittel-Kasuya-Yosida interaction scale. The crossover into this state is characterized by spin structure factor enhancement at wave vectors smaller than twice the Fermi wave vector magnitude. Finally, the corresponding enhancement of electron scattering generates a resistivity upturn at decreasing temperatures.

Authors:
 [1];  [2];  [3];  [4];  [5]
+ Show Author Affiliations
  1. Rice Univ., Houston, TX (United States). Dept. of Physics and Astronomy; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of Virginia, Charlottesville, VA (United States). Dept. of Physics
  4. Univ. of Florida, Gainesville, FL (United States). Dept. of Physics
  5. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division. Shull-Wollan Center
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Rice Univ., Houston, TX (United States); Univ. of Florida, Gainesville, FL (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); Welch Foundation (United States)
OSTI Identifier:
1485408
Alternate Identifier(s):
OSTI ID: 1331233
Report Number(s):
LA-UR-18-31202
Journal ID: ISSN 0031-9007
Grant/Contract Number:  
AC52-06NA25396; DMR-1308972; C-1818
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 117; Journal Issue: 20; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; electronic structure; frustrated magnetism; RKKY interaction; Kondo lattice model

Citation Formats

Wang, Zhentao, Barros, Kipton, Chern, Gia-Wei, Maslov, Dmitrii L., and Batista, Cristian D. Resistivity Minimum in Highly Frustrated Itinerant Magnets. United States: N. p., 2016. Web. doi:10.1103/PhysRevLett.117.206601.
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Wang, Zhentao, Barros, Kipton, Chern, Gia-Wei, Maslov, Dmitrii L., & Batista, Cristian D. Resistivity Minimum in Highly Frustrated Itinerant Magnets. United States. https://doi.org/10.1103/PhysRevLett.117.206601
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Wang, Zhentao, Barros, Kipton, Chern, Gia-Wei, Maslov, Dmitrii L., and Batista, Cristian D. Tue . "Resistivity Minimum in Highly Frustrated Itinerant Magnets". United States. https://doi.org/10.1103/PhysRevLett.117.206601. https://www.osti.gov/servlets/purl/1485408.
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@article{osti_1485408,
title = {Resistivity Minimum in Highly Frustrated Itinerant Magnets},
author = {Wang, Zhentao and Barros, Kipton and Chern, Gia-Wei and Maslov, Dmitrii L. and Batista, Cristian D.},
abstractNote = {We study here the transport properties of frustrated itinerant magnets comprising localized classical moments, which interact via exchange with the conduction electrons. Strong frustration stabilizes a liquidlike spin state, which extends down to temperatures well below the effective Ruderman-Kittel-Kasuya-Yosida interaction scale. The crossover into this state is characterized by spin structure factor enhancement at wave vectors smaller than twice the Fermi wave vector magnitude. Finally, the corresponding enhancement of electron scattering generates a resistivity upturn at decreasing temperatures.},
doi = {10.1103/PhysRevLett.117.206601},
journal = {Physical Review Letters},
number = 20,
volume = 117,
place = {United States},
year = {Tue Nov 08 00:00:00 EST 2016},
month = {Tue Nov 08 00:00:00 EST 2016}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevLett.117.206601
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Cited by: 19 works
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Figures / Tables:

FIG. 1 FIG. 1: Bare electronic susceptibility for (a) a 2D electron gas with isotropic dispersion εk = k2/2m, and (b) a TL with NN hopping t = 1 and filling fraction n = 0.09. Panels (c)–(f) show momentum dependence of S(k) at temperatures T = {0.03, 0.06, 0.45}J2/t represented by solid,more » dashed and dotted curves, respectively. (c) and (d) are obtained from the high-T expansion in Eq. (6), while (e) and (f) are obtained from the spherical approximation. Each panel is calculated using the bare magnetic susceptibility vertically above it. For panels (d) and (f) we assume S(k) ≃ S(k), which is correct to within 1% relative error.« less
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    Anomalous magnetoresistance due to longitudinal spin fluctuations in a Jeff = 1/2 Mott semiconductor
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    Gradient-based stochastic estimation of the density matrix
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    • DOI: 10.1063/1.5017741

    Effect of magnetic anisotropy on skyrmions with a high topological number in itinerant magnets
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      FIG. 1 (p. 4)figure
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